Key Terms
True/False
pH
elements/matter
Chemicals
100
This is a uniform mixture of two or more substances.
What is a suspension?
100
Estheticians work with chemistry every day.
What is true?
100
This is the range of the pH scale.
What is 0-14?
100
This term refers to the simplest form of chemical matter.
What is an element?
100
This is what ionization creates.
What are two new ions with opposite electrical charges?
200
These have neither a definite size nor a definite shape.
What are gases?
200
Most water is pure
What is false?
200
A pH of 8 is ________ times more alkaline than a pH of seven.
What is 10?
200
This is how elements are identified.
What are letter symbols?
200
This is the most commonly used cosmetic ingredient.
What is water?
300
Droplets of oil dispersed in water with the aid of an emulsifying agent.
What is oil-in-water emulsion
300
When a substance is oxidized, the oxidizer is always reduced.
What is true?
300
This is the color a base will turn red litmus paper to.
What is blue?
300
Serum is considered to be in what state of matter
What is liquid?
300
This is when a chemical changes its state but not its composition.
What is a physical change?
400
Characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the identity of the substance.
What are physical properties?
400
Suspensions contain smaller particles than solutions do.
What is false?
400
These are also known as bases and have a pH above 7.0
What are alkalis?
400
This is the general composition of air by volume.
What is one part oxygen and four parts nitrogen?
400
This is how long a properly stored emulsion remains stable.
What is three years?
500
Rapid oxidation of a substance, accompanied by the production of heat and light.
What is combustion?
500
Solids have no definite size or shape.
What is false?
500
Plastic is an example of this type of substance.
What is ORGANIC?
500
This is the most abundant element found on earth.
What is oxygen?
500
Moisturizers are an example of this type of emulsion.
What is oil-in-water?
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